If you haven't heard by now, Disney is working on a "Mary Poppins" sequel, with Emily Blunt in talks to play the beloved nanny we all grew up admiring. But even with a new movie in the works, we'll never forget about the actors who made the original movie so memorable in the first place.

So we were absolutely ecstatic to see charming chimney sweep Bert, a.k.a. Dick Van Dyke, appear onstage during a two-hour long Disney tribute that aired on ABC Sunday evening.

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Performing one of Mary Poppins' most rousing dance numbers, "Step in Time," Dancing With the Stars's Derek Hough led the pack in a captivating display that would make even Julie Andrews proud. As the dancers perfectly step in time, the audience cheers them on with loud hoots and plenty of clapping. But when Hough opens up two large doors on the back end of the stage, the audience really gets riled up.

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Out of the double doors waltzes none other than the man himself, Dick Van Dyke. Without missing a single beat, the 90-year-old kicks his knees up in a little dance to end the performance on a beautifully nostalgic note.

"There's the whole world at your feet. And who gets to see it but the birds, the stars, and the chimney sweeps."